Malware Analysis Report

2024-09-23 10:43

Sample ID 240614-ytzahsxfnm
Target f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3
SHA256 f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3
Tags
bootkit persistence
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3

Threat Level: Shows suspicious behavior

The file f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-14 20:05

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 20:05

Reported

2024-06-14 20:07

Platform

win10v2004-20240611-en

Max time kernel

141s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3.exe

"C:\Users\Admin\AppData\Local\Temp\f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 3.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 71.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
BE 88.221.83.248:443 www.bing.com tcp
US 8.8.8.8:53 248.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/632-1-0x0000000000620000-0x0000000000720000-memory.dmp

memory/632-2-0x0000000002100000-0x000000000216B000-memory.dmp

memory/632-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/632-4-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/632-5-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/632-7-0x0000000000620000-0x0000000000720000-memory.dmp

memory/632-8-0x0000000002100000-0x000000000216B000-memory.dmp

memory/632-9-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 20:05

Reported

2024-06-14 20:07

Platform

win11-20240611-en

Max time kernel

141s

Max time network

68s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3.exe

"C:\Users\Admin\AppData\Local\Temp\f6c40237efb2b4daecedbdf1346ffe2b4af5fc103fcd843b0867917c7e2bf8d3.exe"

Network

Country Destination Domain Proto
US 20.189.173.27:443 tcp

Files

memory/4692-1-0x0000000000660000-0x0000000000760000-memory.dmp

memory/4692-2-0x00000000021C0000-0x000000000222B000-memory.dmp

memory/4692-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4692-4-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/4692-5-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/4692-6-0x0000000000660000-0x0000000000760000-memory.dmp

memory/4692-8-0x00000000021C0000-0x000000000222B000-memory.dmp

memory/4692-9-0x0000000000400000-0x000000000046F000-memory.dmp